PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $30 |
| PSA 8 | $330 |
| PSA 10 | $112.25 |
| BGS 10 | $146 |
| CGC 10 | $67 |
| SGC 10 | $67 |
Market context: ungraded price -19.2% over 30 days. +1.0% over 90 days. PSA 10 premium: 3.7× ungraded.
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-japanese-e-starter-deck/pokemon-japanese-e-starter-deck-blastoise-20